// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

var db =  cloud.database()

// 云函数入口函数
exports.main = async (event, context) => {

   console.log('event==>',event)

  try{

    return await  db
    .collection('product')
    .where({_id:event.id})
    .get();
 
  } catch (err){

    console.log('云函数调用失败 err==>',err)

  }

  

}